Hwang; Cherng-Daw

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hwang; Cherng-Daw.The latest application filed is for "method and apparatus for providing ringing timeout disconnect supervision in remote telephone extensions using voice over packet-data-network systems (vops)".

Company Profile

0.12.9

Hwang; Cherng-Daw - San Jose CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method And Apparatus For Providing Ringing Timeout Disconnect Supervision In Remote Telephone Extensions Using Voice Over Packet-data-network Systems (vops) App 20150222760 - Chung; Wing-Kuen ; et al.	2015-08-06
Method and apparatus for providing ringing timeout disconnect supervision in remote telephone extensions using voice over packet-data-network systems (VOPS) Grant 8,848,695 - Chung , et al. September 30, 2	2014-09-30
Method And Apparatus For Providing Ringing Timeout Disconnect Supervision In Remote Telephone Extensions Using Voice Over Packet-data-network Systems (vops) App 20130058325 - Chung; Wing-Kuen ; et al.	2013-03-07
Method and apparatus for providing ringing timeout disconnect supervision in remote telephone extensions using voice over packet-data-network systems (VOPS) Grant 8,126,009 - Chung , et al. February 28, 2	2012-02-28
Split screen video in a multimedia communication system Grant 7,830,409 - Hwang , et al. November 9, 2	2010-11-09
Method and apparatus for providing ringing timeout disconnect supervision in remote telephone extensions using voice over packet-data-network systems (VOPS) App 20080175233 - Chung; Wing-Kuen ; et al.	2008-07-24
Method and apparatus for providing ringing timeout disconnect supervision in remote telephone extensions using voice over packet-data-network systems (VOPS) Grant 7,339,924 - Chung , et al. March 4, 2	2008-03-04
Media broadcast over an internet protocol (IP) network App 20080037576 - Hwang; Cherng-Daw ; et al.	2008-02-14
Method and apparatus for routing integrated data, voice, and video traffic Grant 7,245,630 - Chen , et al. July 17, 2	2007-07-17
Internet protocol (IP) television App 20070130601 - Li; Weiping ; et al.	2007-06-07
Split screen video in a multimedia communication system App 20060215765 - Hwang; Cherng-Daw ; et al.	2006-09-28
Feature scalability in a multimedia communication system App 20060215630 - Hwang; Cherng-Daw ; et al.	2006-09-28
Self-configuring interface for communication protocols Grant 7,058,075 - Wong , et al. June 6, 2	2006-06-06
Method and apparatus for providing forwarding on ring-no-answer for remote telephone extensions using voice over packet-data-network systems (VOPS) Grant 7,009,962 - Chung , et al. March 7, 2	2006-03-07
Multimedia communication and collaboration system and protocols App 20050213557 - Hwang, Cherng-Daw ; et al.	2005-09-29
Method and apparatus for voice port hunting of remote telephone extensions using voice over packet-data-network systems (VOPS) Grant 6,763,017 - Buckingham , et al. July 13, 2	2004-07-13
Method and apparatus for routing integrated data, voice, and video traffic Grant 6,611,531 - Chen , et al. August 26, 2	2003-08-26
Method and apparatus for dynamic allocation of multiple signal processing resources among multiple channels in voice over packet-data-network systems (VOPS) Grant 6,584,108 - Chung , et al. June 24, 2	2003-06-24
Method and apparatus for providing a time-division multiplexing (TDM) interface among a high-speed data stream and multiple processors Grant 6,535,505 - Hwang , et al. March 18, 2	2003-03-18

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.